Architectural drawings in W4

Which W4 postcodes does this drawing package service cover?

Every W4 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. W4 fees below are the statutory England rates for 2026, not drawing package estimates.

Which W4 neighbourhoods suit a drawing package best?

Roof pitch, wall build-up and plot depth change every few W4 streets, and each one changes what a drawing package can achieve at that address.

• Inside W4: Chiswick (W4) — a drawing package in Chiswick starts from edwardian villas, victorian terraces, and Chiswick reads as Edwardian villas, conservation. in W4. Hounslow Council assesses Chiswick architectural drawings against its own Chiswick character guidance, and the location plan we draw for Chiswick references Chiswick House.
• Inside W4: Turnham Green (W4) — drawing package work in Turnham Green means edwardian villas. Turnham Green is Edwardian villas, conservation. Hounslow Council decides the Turnham Green application, and Turnham Green anchors the Turnham Green location plan.
• Inside W4: Bedford Park (W4) — a drawing package in Bedford Park starts from arts & crafts villas (listed), and Bedford Park reads as Arts & Crafts garden suburb, conservation. in W4. Ealing Council assesses Bedford Park architectural drawings against its own Bedford Park character guidance, and the location plan we draw for Bedford Park references Bedford Park Estate.
• Bordering W4: Brentford (TW8) — drawing package work in Brentford means georgian fragments, victorian terraces, new-build. Brentford is Georgian fragments, riverside new-build. Hounslow Council decides the Brentford application, and Kew Bridge anchors the Brentford location plan.
• Bordering W4: Isleworth (TW7) — drawing package work in Isleworth means georgian and victorian terraces. Isleworth is Georgian and Victorian terraces. Hounslow Council decides the Isleworth application, and Old Isleworth anchors the Isleworth location plan.
• Bordering W4: Hounslow (TW3) — a drawing package in Hounslow starts from 1930s semi-detached, post-war flats, and Hounslow reads as 1930s semi-detached, post-war flats. in TW3. Hounslow Council assesses Hounslow architectural drawings against its own Hounslow character guidance, and the location plan we draw for Hounslow references Hounslow Central.
• Bordering W4: Feltham (TW13) — 1930s semi-detached, post-war estates defines Feltham, where 1930s semi-detached, post-war estates set what a drawing package can do. Any Feltham drawing package is validated by Hounslow Council, with Feltham station the usual Feltham reference point on the site plan.
• Bordering W4: Hanworth (TW13) — drawing package work in Hanworth means 1930s semi-detached. Hanworth is 1930s semi-detached. Hounslow Council decides the Hanworth application, and Hanworth Park anchors the Hanworth location plan.
• Bordering W4: Ealing Broadway (W5) — a drawing package in Ealing Broadway starts from edwardian villas, victorian terraces, and Ealing Broadway reads as Edwardian villas, Victorian terraces. in W5. Ealing Council assesses Ealing Broadway architectural drawings against its own Ealing Broadway character guidance, and the location plan we draw for Ealing Broadway references Ealing Broadway station.
• Bordering W4: Acton (W3) — Victorian and Edwardian terraces defines Acton, where victorian and edwardian terraces set what a drawing package can do. Any Acton drawing package is validated by Ealing Council, with Acton Town the usual Acton reference point on the site plan.

What local planning policy applies to a drawing package in W4?

Conservation areas covering W4 (Chiswick / Bedford Park): Hounslow Council runs 30, and Old Isleworth, Brentford, Chiswick are the ones W4 (Chiswick / Bedford Park) owners meet most. A drawing package inside a W4 (Chiswick / Bedford Park) conservation area loses permitted development, so the W4 (Chiswick / Bedford Park) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Brentford a drawing package is judged on the street elevation first.

No blanket Article 4 over W4 (Chiswick / Bedford Park): Hounslow Council has not withdrawn permitted development across W4 (Chiswick / Bedford Park), so a drawing package outside a W4 (Chiswick / Bedford Park) conservation area usually keeps it. The £274 Lawful Development Certificate is still the document a W4 owner wants on file.

The building fabric around W4 (Chiswick / Bedford Park): Edwardian villas in Chiswick and Turnham Green; Georgian in Isleworth; 1930s semi-detached in Hounslow and Feltham; riverside new-build in Brentford. Chiswick is one of west London's most conservation-controlled areas; outer Hounslow is permissive suburban. A drawing package in W4 (Chiswick / Bedford Park) is scoped against that stock first, because it decides whether the scheme runs as permitted development, a £274 Lawful Development Certificate, or a full £548 application to Hounslow Council.

Conservation areas covering W4 (Chiswick / Bedford Park): Ealing Council runs 30, and Bedford Park, Acton Green, Hanwell are the ones W4 (Chiswick / Bedford Park) owners meet most. A drawing package inside a W4 (Chiswick / Bedford Park) conservation area loses permitted development, so the W4 (Chiswick / Bedford Park) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Acton Green a drawing package is judged on the street elevation first.

What Article 4 removes near W4 (Chiswick / Bedford Park): Article 4 for HMOs in specific streets in Acton, Ealing and Southall. Before pricing a drawing package we check whether the W4 address is inside the mapped area, because Ealing Council draws the W4 (Chiswick / Bedford Park) boundary street by street rather than across the whole of W4 (Chiswick / Bedford Park).

The building fabric around W4 (Chiswick / Bedford Park): Victorian and Edwardian villas in Ealing central; 1930s semi-detached in Northolt and Hanwell; mansion blocks along main roads; Bedford Park is a listed Arts & Crafts garden suburb. Leafy outer-west London; Bedford Park conservation area has strict heritage controls; rest of borough generally permissive. A drawing package in W4 (Chiswick / Bedford Park) is scoped against that stock first, because it decides whether the scheme runs as permitted development, a £274 Lawful Development Certificate, or a full £548 application to Ealing Council.

What happens if a W4 property sits on a boundary?

• Hillingdon — adjoining W4 (Chiswick / Bedford Park), with 29 conservation areas centred on HA4. A drawing package on the far side of the W4 (Chiswick / Bedford Park) line is determined by Hillingdon Council, so the W4 (Chiswick / Bedford Park) quote for architectural drawings is checked against Hillingdon guidance before it is issued.
• Ealing — adjoining W4 (Chiswick / Bedford Park), with 30 conservation areas centred on W3. A drawing package on the far side of the W4 (Chiswick / Bedford Park) line is determined by Ealing Council, so the W4 (Chiswick / Bedford Park) quote for architectural drawings is checked against Ealing guidance before it is issued.
• Hammersmith and Fulham — the Hammersmith and Fulham boundary runs against Hounslow, so a drawing package a street from W4 (Chiswick / Bedford Park) is decided by Hammersmith & Fulham Council instead. Hammersmith and Fulham runs 45 conservation areas across W6 and its neighbours, which is why architectural drawings priced for W4 (Chiswick / Bedford Park) are re-checked against Hammersmith and Fulham policy whenever the W4 (Chiswick / Bedford Park) address sits on that edge.
• Richmond upon Thames — cross the W4 (Chiswick / Bedford Park) boundary and Richmond Council takes the drawing package instead, applying 72 conservation areas of its own around SW13. We re-price architectural drawings at the W4 (Chiswick / Bedford Park) edge because Richmond upon Thames policy and Hounslow policy rarely align on drawing package depth.
• Hounslow — adjoining W4 (Chiswick / Bedford Park), with 30 conservation areas centred on W3. A drawing package on the far side of the W4 (Chiswick / Bedford Park) line is determined by Hounslow Council, so the W4 (Chiswick / Bedford Park) quote for architectural drawings is checked against Hounslow guidance before it is issued.
• Brent — adjoining W4 (Chiswick / Bedford Park), with 22 conservation areas centred on NW2. A drawing package on the far side of the W4 (Chiswick / Bedford Park) line is determined by Brent Council, so the W4 (Chiswick / Bedford Park) quote for architectural drawings is checked against Brent guidance before it is issued.

Sources for this W4 drawing package page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.